Bi-Folding Doors are supplied with the finest hang sliding gear onto a bottom guide. The doors are safe and secure, available from a small 2 leaf up to a 7 leaf door spanning 6 metres. Fabricated similarly to a Residential Door but slide from the top by quality sliding door gearing and guides to the base of door leafs, leafs joined together with stainless steel butt hinges, double draught sealed. Secure locking to master leaf and intermediate leafs. Bi-Folding Doors are also available with Flush Sashes.